Islam, M. Nurul An Introduction to Research Methods A Handbook for Business & Health Research - 4th ed. - Dhaka New Market : Mullich & Brothers c2008. - x, 570 p. : ill; 22 cm. Includes index. Includes bibliography. ISBN: 9843000014223 Subjects--Geographic Terms: Bangladesh Dewey Class. No.: 001.42 / I82i 2008